Extreme heat is becoming a growing business and employee-safety issue, particularly for companies that rely on outdoor workers in industries such as construction, agriculture and delivery, The New York Times reports. However, federal protections for workers facing extreme heat remain limited, and some states have prevented local governments from establishing their own requirements. For employees, the risks can be severe, particularly for those who spend long hours outdoors in high temperatures and humidity. For businesses, the growing frequency of extreme heat creates an ongoing challenge of protecting employees while maintaining operations, particularly as experts expect heat risks to increase with extreme weather. The New York Times has the full story.